What is the area of the triangle whose vertices are x(−5, −1)) , y(−5, −10)) , and z(−9, −7) ?

sqared

17.96 units squared

Step-by-step explanation:

Refer the attached figure .

Point X =  (−5, −1)

Point Y=(−5, −10)

Point Z=(−9, −7)

In ΔXYZ , to find the length of sides we will use distance formula.

Length of XY

Point X =

Point Y=

Length of YZ

Point Y=

Point Z =

Length of XZ

Point X =

Point Z =

So, to find the area of triangle we will use heron's formula .

Where

a,b,c are sides of triangle

a=9

b=5

c=7.2

Hence the area of triangle is 17.96 units squared

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560

step-by-step explanation:

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